CVE-2023-21682
Published: 10 January 2023
Summary
CVE-2023-21682 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 7.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Windows Point-to-Point Protocol (PPP) contains an information disclosure vulnerability tracked as CVE-2023-21682 and assigned CWE-125. The flaw affects the PPP implementation in Windows and carries a CVSS 3.1 base score of 5.3 reflecting a network-reachable read of limited sensitive data without authentication or user interaction.
An unauthenticated remote attacker can send crafted network traffic to a vulnerable Windows system running PPP and obtain partial memory contents. The attack requires no privileges or user action and results only in confidentiality impact, with no integrity or availability consequences.
Microsoft has published remediation guidance and patches through its Security Response Center at the referenced advisory URL. The EPSS score has remained flat at 0.0914 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-25849
Vulnerability details
Windows Point-to-Point Protocol (PPP) Information Disclosure Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.